"The Nexus 4 is absolutely wonderful, but it's also vexing. Frustrating. Annoying. It's easily the best Android phone on the market right now, and has some of the most powerful software that's ever been put on a mobile phone. It's an upgrade from last year's Galaxy Nexus in every way. It's terrific - save for one small thing. " Lack of LTE, obviously. Bigger issue for me as a European: glass back. Apparently it cracks. Who'da thunk?

Would have concerned me if it was ordinary glass, but it ain't. The phone's outer is mostly made up of gorilla glass.
By the odd chance of it accumulating some unsightly scratches good jewellery store's will be able to delicately buff it away.